Overall Photoelectrochemical Water Splitting using Tandem Cell under Simulated Sunlight

被引：111
作者：
Kim, Jin Hyun [1 ]
Kaneko, Hiroyuki [2 ]
Minegishi, Tsutomu [2 ]
Kubota, Jun [2 ]
Domen, Kazunari [2 ]
Lee, Jae Sung [3 ]
机构：
[1] Pohang Univ Sci & Technol POSTECH, Sch Environm Sci & Engn, Pohang 790784, South Korea
[2] Univ Tokyo, Dept Chem Syst Engn, Bunkyo Ku, Tokyo 1138656, Japan
[3] Ulsan Natl Inst Sci & Technol UNIST, Sch Energy & Chem Engn, Ulsan 689798, South Korea
来源：
CHEMSUSCHEM | 2016年 / 9卷 / 01期
基金：
新加坡国家研究基金会; 日本学术振兴会;
关键词：
photoelectrochemical cell; photoelectrodes; solar-to-hydrogen; tandem cell; water splitting; OXYGEN EVOLUTION CATALYSTS; Z-SCHEME PHOTOCATALYST; THIN-FILM; SOLAR PHOTOELECTROLYSIS; HYDROGEN EVOLUTION; CUPROUS-OXIDE; EFFICIENT; BIVO4; PHOTOCATHODES; PHOTOANODE;
D O I：
10.1002/cssc.201501401
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
A stand-alone photoelectrochemical (PEC) water-splitting system driven only by sunlight was demonstrated with a tandem-scheme of Pt/CdS/CuGa3Se5/(Ag,Cu)GaSe2 photocathode and NiOOH/FeOOH/Mo:BiVO4 photoanode in a neutral phosphate buffer solution as an electrolyte. The as-prepared semi-transparent Mo:BiVO4 layer allows sunlight to pass through the top photoanode and reach the bottom photocathode. Consequently, the tandem cell showed stoichiometric hydrogen and oxygen evolution with a solar-to-hydrogen (STH) conversion efficiency of 0.67% over 2h without degradation. The stability and STH efficiency are the highest among similar configuration of PEC tandem cells.
引用
收藏
页码：61 / 66
页数：6
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